343031222 has 4 divisors (see below), whose sum is σ = 514546836. Its totient is φ = 171515610.

The previous prime is 343031209. The next prime is 343031231. The reversal of 343031222 is 222130343.

343031222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 343031194 and 343031203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85757804 + ... + 85757807.

It is an arithmetic number, because the mean of its divisors is an integer number (128636709).

Almost surely, 2^343031222 is an apocalyptic number.

343031222 is a deficient number, since it is larger than the sum of its proper divisors (171515614).

343031222 is a wasteful number, since it uses less digits than its factorization.

343031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171515613.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343031222 is about 18521.1020730409. The cubic root of 343031222 is about 700.0212388114.

Adding to 343031222 its reverse (222130343), we get a palindrome (565161565).

The spelling of 343031222 in words is "three hundred forty-three million, thirty-one thousand, two hundred twenty-two".